package com.ywx.yypicturebackend.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * 跨域请求设置
 */
@Configuration
public class CorsConfig implements WebMvcConfigurer {

        @Override
        public void addCorsMappings(CorsRegistry registry) {
            // 覆盖所有请求
            registry.addMapping("/**")
                    // 允许发送 Cookie
                    .allowCredentials(true)
                    // 放行哪些域名（必须用 patterns，否则 * 会和 allowCredentials 冲突）
                    .allowedOriginPatterns("*")
                    .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
                    .allowedHeaders("*")
                    .exposedHeaders("*");
        }
}
